ArticleJournal of cardiothoracic surgery2026
Factors associated with air leak prolongation observed after lung cancer surgery.
Article in Journal of cardiothoracic surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeRisk factors that classify patients with postoperative air leaks into prolonged-air-leak (PAL, ≥ 5 days) and non-PAL populations remain unknown. Our objectives were to identify these risk factors and devise a scoring system to predict whether air leaks observed on postoperative day 1 will progress to PAL.
methodsWe conducted a retrospective examination of 329 patients after lung surgery.
resultsSignificant factors associated with air leaks included male sex (p = 0.0097), low body mass index (BMI) (p = 0.0016), smoking (p = 0.0076), pack-years (0.0017), predicted vital capacity (p = 0.0053), predicted forced expiratory volume in one second (p = 0.0352), and operative duration (p = 0.0118). Furthermore, in patients with air leaks on the day after surgery, significant factors associated with PAL included low BMI (p = 0.0248), current smoking (p = 0.0054), pack-years (p = 0.005), and significant blood loss (p = 0.0147). Upon classifying the patients on day 1, one point each was allotted for BMI < 23.7, pack-years ≥ 28.5, current smoker, and blood loss ≥ 38 ml. Depending upon the risk factors present, the rates of PAL observed were 0%, 7.69%, 33.33%, 70.59%, and 83.33% associated with 0, 1, 2, 3, and 4 points, respectively (p < 0.001).
conclusionsFor the first time, we identified risk factors for the onset of postoperative air leakage and PAL.
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